Making glass collar-buttons



.KARABIN, J. SKOCIOKH AND K. MANDL.

MAKING GLASS COLLAR BUTTONS.

APPLICATION FILED MARl3,1920- Patented Mar. 22, 1921.

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UNITED ,STATES.

MICHAEL KABAIBIN, JOHN BKOCIOKH, AND KARL MANDL, OF NEW BRITAIN PATENT- OFFICE.

CONNECTICUT.

MAKING GLASS COLLAR-BUTTONS.

Specification of Letters Patent.

Patented Mar. 22, 1921.

Application filed March 13, 1820. Serial No. 365,853.

in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Making Glass Collar-Buttons, of which the fol owing is a specification.

Our invention relates to improvements in making glass collar buttons, and the obi'ect of our improvement is to produce a co lar button that is attractive and sanitary and by means that are simple and efiic1ent.

In the accompanying drawing Figure 1 is a side elevation of our improved collar-button of glass for use as a front collar-button.

'Fig. 2 is a side elevation of the form adapted for use as a back collar-button.

F1 3 is a side elevation of another form that 1s adapted for use as a front collar-button, having a novel formfor the head, of generally conical form, with a flat base poirtion, as distinguished from the round form for the head as shown in Fig. 1.

Fig. 4; is a sectional view on the line 4-4 of Fig. 1. a

Fig. 5 is a side elevation of a piece of stock, of tubular form, that is used for forming the body portion of our collar-button, comprising the base and the shank, and as distinguished from the head.

Fig. 6 is a side elevation of a globule or pellet of glass that is adapted for use for forming the head, being, as shown, of tubular form.

Fig. 7 is a side elevation of the stock shown in Fig. 5 after the first stage or operation in the formation of the body, being the first operation involved in forming the base, and involving drawing outwardly and reducing one end.

Fig. 8 is a side elevation showing the said end closed.

Fig. 9 is a side elevation showing another reduction of the tube adjacent the end and separating from the main tube a portion, generally of tubular form, that represents the material for the base.

Fig. 10 is a side elevation of the same after. being blown to a globular or ball form.

pieces of Fig. 11 is a side elevation of the same after the ball structure shown in Fig. 10 has been flattened to form the finished base.

Fig. 12 is a side elevation of the same after being divided, so as to separate from the stock tube the body, comprislng the base and shank.

F1g. 13 is a side elevation of the body with the pellet shown in Fig. 6 a plied to the shank for use in forming the ead.

F 1g. 14 is a sectional view of the tool that is used for forming the special head that is shown on the collar-button shown in Fig. 3.

Our improved collar-button comprises a body 10 that is composed of the base 11 and the shank l2 and a head 13,- the shank 12 being of reduced form and serving to connect the head 13 at one end and the base 11 at the other end, and is made of two Iglass, comprising the iece 14 shown in 1 5, that is used to orm'the body 10, an the piece 15, shown in Fig. 6, that is used to form the head 13.

The piece 14., shown in Fig. 5, that provides the stock for the body 10, is of tubular form and the body 10 is formed from one end thereof.

The piece 15, shown in Fig. 6, is provided tion as shown at 17 in Fig. 7, and then sealin off the said reduced portion 17.

be next step is to separate a ortion 18 of the tube 14 from the tube stoc by a reduced connecting neck 19 of tubular form, the end of which is closed at 16, as described.

Next the tube portion 18 is heated and blown to the ball or globular form, 18 as shown in Fig. 10, after which heat is again applied to the ball 18 and while in the softened condition, suitable for being manipulated, is operated upon for the formation of the base 11 by applying the closed .end portion 16 to a flat surface.

the head structure differing v 11 in all cases in the detail of being solid instead of hollow, the outer face 23 being substantially flat, and the opposite, inner shank l2, and having the wall structure 20 relatively thin and inclosing an open or hollow interior space 21.

Thusthe body 10 is formed of one plece of glass'and is a .hollow' structure, with a relatively light or thin wall 20.

In the next operation, as shown in Fig. 12, the shank 12 is separated from the stock 'tube 14, the end 22 of the shank 12 being closed, after which the head pellet 15 is secured to the said end 22 of the shank 12, as shown in Fig. 13.

The finished head shown in: Fig. 1 is obtained from the structure shown 1n Fig. 13 by heating the while in the molten state. g

No other operation is required forforming a head of substantially the form shown in Fig. 1, and this form is adapted for use in the finished article. a I

In case a special form is desired, such as the forms shown in Fi s. 2 and 3, another operation is required a ter forming a head substantially like that shown in Fig. 1, and which involves, for the forms mentioned heating the head 13 and applying to the end face portion ofthe said head 13 a tool of suitable form.

Thus for forming the head 13 shown in Fig. 2 the special tool comprises merely a flat piece, such as used to form the base 11, the

result being that the head 13' is generally in the form 0 adisk of substantially flat form, from the base face portion 24 that borders the shank 12 is also substantially flat.

The flat efiect for the said inner face portion 24 is obtained without the direct application of a tool to this particular part,

the application of a tool to the outer face 23 wlth pressure operating to produce a suitable shape for the iimer face 24 for use as a holding surface, of substantially flat,

annular form.

pellet l5 and manipulating The-special, conical head' 13 shown in Fig. 3 has a 'flat inner face 24 generally like the inner face 24 shown in Fig. 2, and obtained in a similar manner, by the application of a tool under pressure to shape the outer face 13, and the said tool 25, shown in Fig. 14, has a cavity 26 that is of the particular form desired for the shape of the outer face portion 23", being conical, as mentioned, in the particular form shown.

The temperature required for making the devices shown and described is such as to permit of shaping and forming, being a low red temperature, and below the strictl Y nelting temperature, and the finished article is substantially 1n the annealed condition, and does not require separate anneal- @eing made of two pieces, one forthe body and 'the other for the head, the structure may be made up of two different colors for these parts. Generally lain glass would be used for the body. En the case of the head, however, a choice of colors is desirable, and is readil provided by using forthe pellet shown in 4 ig. 6 the particular color desired.

We claim as our invention 1. The process of making glass collar-buttons comprising providing a tube for forming the body and a ellet for forming the head, forming the sald body from the said tube in the form of a hollow structure hav-[ 

